Where does “astrognosy” come from?

astrognosy (English) comes from Late Latin astrognosia, from Ancient Greek ἄστρον, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

astrognosy (English): The science or knowledge of the stars, especially...

Definitions

  1. The science or knowledge of the stars, especially...

Ancestry of “astrognosy”, step by step

astrognosy traces back through two separate lines of ancestry.

via Late Latin astrognosia

StepLanguageWordMeaning
1Late Latinastrognosia
2Ancient GreekἄστρονA celestial body
3Ancient Greekἀστήρa celestial body; illustrious person; starfish
4Proto-Hellenicastḗrstar
5Proto-Indo-Europeanh₂stḗrstar
6Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via English astro

StepLanguageWordMeaning
1Englishastroastroturf
Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Hellenic astḗr
astrognosy — Etymology, Origin & Word History | Etymology Explorer